- 2019 Factory-verified
GM's name: Silverado HD Tribute Edition; LTZ 4WD with the off-road package (Z71); unique decals, black bowtie emblems (P3H), spray-on bedliner (CGN) and front and rear park assist (UD5); 2019: GM's 2019 Silverado 2500HD order guide
STY Factory-verified
Documented applications
This page aggregates every documented appearance of STY in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.